Since RMC never posted this I decided to post it here.
I scanned the entire Knights in the Nightmare artbook and you can download it here.
http://www.megaupload.com/?d=3DBMPTC7
Its not the best quality but its a bit cleaned up hope you enjoy.
http://img189.imageshack.us/img189/6466/00covert.jpg
http://img195.imageshack.us/img195/2673/81400291.jpg
http://img189.imageshack.us/img189/2176/85552075.jpg
http://img195.imageshack.us/img195/3825/99868403.jpg
